Nepean Bay Weather Forecast

    • 13
    • 33

    Sunny

    • 17
    • 25

    Shower or two

    • 13
    • 20

    Cloudy

    • 12
    • 21

    Partly cloudy

    • 13
    • 25

    Sunny

    • 14
    • 31

    Sunny

    • 17
    • 32

    Partly cloudy

Today 10 Feb Kangaroo Island

Sunny. Winds northeast to southeasterly 15 to 20 km/h tending southeast to southwesterly in the early afternoon then becoming light in the late evening. Daytime maximum temperatures around 30.

Investigator Strait Coastal Waters

Wind
East to southeasterly 10 to 15 knots becoming variable about 10 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre.
Weather
Sunny.
Weather Situation
A high pressure system moves east into the Tasman Sea, allowing the trough across the northeast to move south on Tuesday and link up with a cold front moving across the Southern Ocean. A strong ridge of high pressure begins to build over southern parts of SA on Wednesday, pushing the trough back north again later in the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nepean Bay Temperature Statistics View More

February Temperature

Kingscote Airport (7km)

  • Lowest 3 February, 2026

    5.7 °C

  • Average February

    18.2 °C

  • Highest 3 February, 2026

    32.6 °C

Climate (2021–Present)

Kingscote Airport (7km)

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  • Average Low 2021–2026

    9.2 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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